talbot



' v 1 2Shee't s W TALBOT &- W. HEPWORT -Sheet 1. Jacquard Machine. NO.236,278.

Patented 1: 4,1881;

Fig 1.

v I I u UNITED STATES PATENT OFFICE.

WILLIAM TALBOT AND WILLIAM HEPWORTH, OF PHILADELPHIA, PA.

JACQ'UARD MACHINE.

SPECIFICATION forming part of Letters Patent No. 236,278, dated January4, 1881.

Application filed January 19, 1880.

To all whom it may concern Be it known that we, WILLIAM TALBOT andWILLIAM HEPWORTH, of Philadelphia, and State of Pennsylvania, haveinvented a new and 5 useful Improvement in Jacquard Machines, of

which the following is a specification.

Ourinvention relates to improvements in the well-known Jacquard machinefor weaving figured fabrics, which improvemement adapts it for selectingthe colored filling or weft-yarns used in weaving a web, which webisIout up into strips, and these strips are used as filling in weavingfigured carpets, rugs, and other articles that are known as chenillefabrics.

Our said invention consists, first, in the combination of a trap-boardof a Jacquard machine divided into sections, a series of cords, andfilling fingers,'with two pattern mechanisms, one to control thesections and one to control the cords, and mechanism to operate thesections of the trap-board, as will be hereinafter described; second,inthe combination and arrangement of mechanism whereby the movements ofthe card-cylinder are controlled by the cylinder or chain which controlsthe movements of the trap-board sections. We attain these objects by themechanism illustrated in the accompanying drawings, in which- Figure 1is a front elevation of the machine. Fig. 2 is a top view of the same.Fig. 3 is vertical section taken on the line Y X of Fig. 2. Fig. 4 is aview of the connecting-rod and yoked lever for operating thecard-cylinder. Figs. 5 and 6 are views of the trap-board sections. Fig.7 is a view of a grooved cam for operating the mechanism that lifts thetrapboard section.

Similar letters refer to similar parts throughneedles g g. One end ofeach of the needles 9 9 passes through the top of a lever, h, and onthis end of the needle is out a screw-thread, and each needle isprovided with two regulating-nuts. On the other end of each needle isplaced a spiral spring.

On the top of the machine are mounted, to operate in bearings, tworock-shafts, D D. On these rock-shafts are arms E, E, E, and E. To thesearms are attached lifting-rods ii. From the arms E and E" areconnecting-rods F F, which connect to a crank, G, on shaft H, at thebottom of the machine. To the arm E is" a pusher, I, for moving thepattern-cylinder J.

K is a lever, which is connected tothe lever h by a connection, S. Atthe lower end of the lever K is a yoke,m. Through this yoke passes theconnecting'hook L, one end of which is connected to a lever, (shown atthe bottom of the machine,) which lever is operated by an eccentric-camon shaft H, and through these devices the card-cylinder Bis moved forthe change of one card for each complete revolution of the pattern-chainor'i'cylinder J, as will be hereinafter described.

PPP Parethe filling-fingers, to which fingers are fastened the knottedcords b b, (one cord from each section of the trap-board, as is shown inFig. 3.) These filling-fingers are constructed asis shown and describedin Patent No. 120,510, October 31, 1871, and-Patent N 0. 159,653,February 9, 1875.

In connection with our improvement we propose to use for inserting thefilling hook or fillin g carriers asis shown and descri bedin Patent No.13,352, August 7, 1855, and the above Patents N os.120,5l0 and 159,653.As thesedevices are old no description of them is needed here.

Previous to describing the operation of our improvement, it will be wellto state that in thedrawings we show the trap-board divided into sixsections, each section of the trap-board adapted for four cords, onelever, h, for each section, a pattern-cylinder with six divisions, aplain four-sided card-cylinder without cards, and four filling-fingers.When in practice we propose to divide the trap-board into fortyfoursections, and each section for ten cords, (but these numbers may beincreased or diminished, as may be desired,) and for a trapboard offorty-four we shall want forty-four levers and a chain of forty-fourdivisions, and we prefer to use, in practice, the well-knownroller-chain, now used in harness-motions on looms.

The operation of our improvement is as follows: Motion is communicatedto the shaft H, which is so timed as to suit the filling-carriers ot'the loom. This shaft, through the connections F F, operatesthelifting-rodsi i, and these in turn raise such hooks f f as may beselected by the pegs in the cylinder J, and the section of thetrap-board connected to these hooks will be raised, and it in turn willraise such knotted cord as shall not have been pushed off the trap, andthis cord will raise the fillingtinger to which it is connected. As thearm E descends, and just as the section of the trapboard is lowered, thepusher I will move the pattern-cylinderJ one division, and the peg inthat division will select the hooks of another section of thetrap-board, and so on, each section of the trap-board being raised insuccession. WVhen the last division is to be raised the cylinder willpresent two pegs. One of these pegs will press in the lever h, which isconnected to lever K by the connection S, and move said lever and thehook L to the left, which, as the hook is drawn down by theeccentric-cam on shaft H, will catch on the pin in one of the bellcranklevers which are connected to the slides that. carry the card-cylinderBand back board at the opposite end. The slides, cylinder, and back boardwill be moved to the left, and the cylinder B will be turned to theextent-of one card, and the back board will be pressed against the endsof the needles to a and press them all to the left. This will press allthe knotted cords on the trap-board. As the cylinder B is moved back tothe right by the weights on the bellcrank levers the card will push tothe right all needles a a, except where a hole is punched in the card.By these means all the knotted cords but one of each section of thetrap-board are pushed ott'. As each section of the trapboard is raisedthe knotted cord left on that section is raised, and with it thefilling-finger to which it is connected. After each section of thetrap-board has been raised the cardcylinder will be moved again and makesuch changes of the knotted cords as the design requires. It will beseen that one card does for all the divisions of the trap-board.

In weavingchenille, for some designs it may be desirous to keep up eachdivision of the trap two or more picks. In such case we operate thelifters by a grooved cam, as shown in Fig. 7, which cam will be dividedinto such numberof parts, and constructed with a dwell for such numberof picks as it may be desired to dwell for.

When dividing the trap-board into a large number of divisions, to savespace we propose to construct them of metal and nest them, as shown inFig. 6.

In working a division of the trap constructed for ten cords, and havingten filling-fingers, ten colors of yarn may be used; but if twentyfilling-fingers be used and connected to each alternate section of thetrap, and two sections of the trap be raised at one time, twenty colorsmay be used by arranging the cards so that only one section of the trapwill raise a cord, all of which will be fully understood by those whoare skilled in the art of weaving figuring chenille-filling, andarranging the designs on cards for Jacquard machines.

The controlling and operating the fillingfingers by a. Jacquard machinewe do not claim, neither do we claim a Jacquard machine with twotrap-boards, neitherdo we claim a Jacquard machine with two sets ofcards, and which cards are worked alternately; but

As our improvement we claim- 1. Ina Jacquard machine, the combination ofasectional trap-board, O G, cords b b, fillingfingers P P, two patternmechanisms, J and B, and mechanism to operate the sections 0 O,substantially as shown and described.

The combination of card-cylinder B and pattern-cylinder J with theconnecting mechanism for operating the card-cylinder B, one card foreach complete revolution of the pattern chain or cylinder J, as shownand described, and for the purpose specified.

W. TALBOT. WM. HEPWORTH.

Witnesses:

JOHN SHINN, 0. WILSON.

